Andrew wrote this:
1. Open teamgear.dbf using DB Commander.
2. Scroll to the bottom of the database. You'll notice four entries with a value of 0 for their ISUNLOCKED attribute.
3. Change these values to 1
4. Close DB Commander, reload the rosters. You will now have access to the Wizards' gold alternate
Note that the default preview art is incorrect. When you select the 2007-08 Alternate for Washington, the regular blue away jersey will be displayed but the jersey that appears in the game will be correct. Also note that various roster updates and other community made patches already exist that make these changes for you.
Hope it works!!